That water bolt they cast also does 20k to 25k damage even though the tooltip says it is much lower.

Comment by error10

One spawned at Shallow's End, Kelp'thar Forest 46.5, 46.7, when some silly mage tried to gank me right next to the quest givers there (this is where you get your Vashj'ir Seahorse). The mage had no idea what hit him. But he didn't try again.